TY - CHAP M1 - Book, Section TI - Neck Mass, Pediatric A1 - Doherty, Gerard M. Y1 - 2010 N1 - T2 - Quick Answers Surgery AB - • Etiologies include: -Branchial cleft remnants-Thyroglossal duct cyst-Lymphadenopathy-Vascular malformations and cystic hygroma-Dermoid inclusion cysts-Cervical thymic cysts• Branchial cleft remnants-Present most commonly as cysts later in childhood-Sinuses, fistulae, and cartilage remnants present at birth-Second branchial cleft remnants most common• Thyroglossal duct cyst presents later in childhood• Benign lymphadenopathy most common neck mass of childhood-Usually secondary to upper respiratory tract infections-Occasionally accompanied by suppurative lymphangitis• 65% of lymphangioma and cystic hygroma are present at birth and 80% are present by age 1 SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accesssurgery.mhmedical.com/content.aspx?aid=58096958 ER -